Smithian (Early Triassic) ammonoids from the Salt Range, Pakistan /
Brühwiler, Thomas.
Buher, Hugo.
Krystyn, Leopold.
Palaeontological Association.
London : Palaeontological Association,
2012.
Cover title: Smithian (Early Triassic) ammonoids from the Salt Range, Pakistan / by Thomas Brühwiler ... [et al.] ; and Middle and late Smithian (Early Triassic) ammonoids from Spiti, India / by Thomas Brühwiler, Hugo Bucher and Leopold Krystyn.
Separate t.p. for 'Middle and Late Smithian (Early Triassic) ammonoid from Spiti, India" (p. [115])
Includes bibliographical references.
Ammonoidea
Ammonoidea